University Physics

David is driving at a steady 36.0 m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 1.20 m/s2 at the instant when David passes. How far (in m) does Tina drive before passing David?

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  1. d = 36 t

    d = (1/2)(1.2) t^2

    so
    36 t = 0.6 t^2
    t = 36/.6

    then d = 36 t so d = (36)^2/.6

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